Go versus Java fastest programs by faster benchmark performance pidigits source secs mem gz cpu cpu load Go 2.04 8,976 603 2.04 1% 0% 100% 0% Java 3.13 37,324 938 3.35 98% 5% 3% 3% mandelbrot source secs mem gz cpu cpu load Go 5.47 31,280 905 21.73 99% 99% 99% 100% Java 6.96 76,748 796 27.07 98% 98% 96% 98% fasta source secs mem gz cpu cpu load Go 2.07 3,168 1358 5.87 39% 83% 84% 79% Java 2.32 42,556 2473 6.24 73% 85% 49% 63% spectral-norm source secs mem gz cpu cpu load Go 3.95 2,412 548 15.70 100% 99% 99% 99% Java 4.27 32,960 950 16.41 95% 97% 98% 96% n-body source secs mem gz cpu cpu load Go 21.00 1,532 1200 21.00 1% 0% 0% 100% Java 22.00 32,496 1489 22.07 1% 100% 0% 1% fannkuch-redux source secs mem gz cpu cpu load Go 17.82 1,472 900 71.03 100% 100% 100% 100% Java 17.91 31,560 1282 70.25 99% 98% 99% 97% reverse-complement source secs mem gz cpu cpu load Go 4.00 824,412 611 4.15 86% 14% 5% 1% Java 3.31 626,956 2183 7.44 56% 60% 83% 45% k-nucleotide source secs mem gz cpu cpu load Go 15.36 148,056 1722 54.61 77% 96% 95% 88% Java 8.66 385,768 1812 26.52 76% 81% 74% 76% regex-redux source secs mem gz cpu cpu load Go 28.69 407,444 802 60.43 46% 51% 68% 46% Java 10.52 637,380 929 31.89 75% 80% 77% 72% binary-trees source secs mem gz cpu cpu load Go 28.90 471,068 654 110.50 96% 95% 95% 97% Java 8.28 982,224 835 27.19 79% 86% 83% 83% Go go version go1.11 linux/amd64 Java openjdk 11 2018-09-25 OpenJDK Runtime Environment 18.9 (build 11+28) OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode) all other Go programs & measurements